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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HCID 7060537Generated: October 23, 2026

2-Methyl-2H-indazole-3-carboxylic acid

Granisetron ImpurityCl · Granisetron EP impurity G · 3-Carboxy-2-methyl-2H-indazole · 2-Methylindazole-3-carboxylicAci · 2-Methylindazole-3-carboxylic acid · 2-Methyl-2H-indazole-3-carboxylic A · Granisetron Hydrochloride Impurity G · 2-METHYL-2H-INDAZOLE-3-CARBOXYLIC ACID

https://huagongshe.com/en/chemical/7060537

2-Methyl-2H-indazole-3-carboxylic acid molecular structure

Identifiers & Physical Properties

CAS No.34252-44-3
Molecular formulaC9H8N2O2
Average molar mass176.17 g/mol
Monoisotopic mass176.0585775 g/mol
SMILESCn1nc2ccccc2c1C(=O)O
InChIKeyABRISPFTOZIXMP-UHFFFAOYSA-N
PubChem CID7060537
EC No.691-338-3
DTXSIDDTXSID30427620

Chemical & Physical Properties

XLogP1.4
Topological polar surface area55.1
Hydrogen bond donors1
Hydrogen bond acceptors3
Rotatable bonds1
Heavy atoms13
Formal charge0
Complexity220
Melting point217-219
Boiling point417.4±18.0 °C(Predicted)
Density1.35
Storage conditionsSealed in dry,Room Temperature
SolubilityDMSO (Slightly), Methanol (Slightly)
Physical stateSolid
pKa (acidity coefficient)3.02±0.10(Predicted)
ColorWhite to Off-White
FDA UNII7F74Q4NXW7
GHS pictogramGHS07
Signal wordWarning
GHS hazard statementsH302-H315-H319-H332-H335
GHS precautionary statementsP261-P280-P305+P351+P338
Hazard symbolsXn
Risk statements (R)22-36-36/37/38-20/21/22
Safety statements (S)26-36/37/39-22
UN transport number2811
Hazard NoteHarmful
Customs code29339900

Safety & Regulations

GHS classificationDangerH301+H311+H331 (33.3%): Toxic if swallowed, in contact with skin or if inhaled [Danger Acute toxicity, oralacute toxicity, dermalacute toxicity, inhalation]P261, P262, P264, P264+P265, P270, P271, P280, P301+P316, P301+P317, P302+P352, P304+P340, P305+P351+P338, P316, P319, P321, P330, P332+P317, P337+P317, P361+P364, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)Aggregated GHS information provided per 3 reports by companies from 3 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
Hazard Classes and CategoriesAcute Tox. 3 (33.3%)
UN transport number2811
Customs code29339900
Risk statements (R)22-36-36/37/38-20/21/22
Signal wordWarning
GHS pictogramGHS07
Hazard symbolsXn
hazard_noteHarmful
Safety statements (S)26-36/37/39-22
GHS hazard statementsH302-H315-H319-H332-H335
GHS precautionary statementsP261-P280-P305+P351+P338

Applications & Uses

Uses

2-Methyl-2H-indazole-3-carboxylic acid can be used as a reagent used to synthesize 5-HT2A and 5-HT3 receptor ligands for use in treating CNS-related disorders.